77 lines
3.2 KiB
C
77 lines
3.2 KiB
C
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/* Copyright (C) 1991, 1992 by Always Technology Corporation.
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This module contains information proprietary to
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Always Technology Corporation, and should be treated as confidential.
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*/
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#ifndef __API_H__
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#define __API_H__
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/* Classes of error conditions */
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#define RequestClass 0x000
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#define AdapterClass 0x100
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#define TargetClass 0x200
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#define SystemClass 0x300
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#define ErrorClass(Error) ((Error) & 0xff00)
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#define ErrorCode(Error) ((Error) & 0x00ff)
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#define TargetStatus(Status) (TargetClass | (unsigned)Status)
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/* Codes by class: Request Class */
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#define S_REQ_ACCEPTED RequestClass + 0x00 // Request accepted and queued
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#define S_REQ_STARTED RequestClass + 0x01 // Request started execution
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#define S_REQ_ABORT RequestClass + 0x02 // Request was aborted via abort command
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#define S_REQ_OPCODE RequestClass + 0x03 // Request has bad operation code
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#define S_REQ_REQUEST RequestClass + 0x04 // Request is otherwise malformed
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#define S_REQ_BADHA RequestClass + 0x05 // Bad adapter identifier
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#define S_REQ_OVERRUN RequestClass + 0x06 // The target requested to transfer more data than available
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#define S_REQ_NOTAR RequestClass + 0x07 // The requested target is not responding
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#define S_REQ_BADTAR RequestClass + 0x08 // The SCSI ID is out of range for this adapter
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#define S_REQ_BADLUN RequestClass + 0x09 // The SCSI LUN is out of range for this adapter
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/* Codes by class: Adapter Class */
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#define S_AD_OFF AdapterClass + 0x00 // Adapter offline
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#define S_AD_BUSY AdapterClass + 0x01 // Adapter busy or full
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#define S_AD_FREE AdapterClass + 0x02 // Unexpected bus free
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#define S_AD_PHASE AdapterClass + 0x03 // Unexpected phase
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#define S_AD_RESET AdapterClass + 0x04 // Request aborted due to reset
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#define S_AD_AUTOSENSE_OK AdapterClass + 0x05 // Req received OK autosense data
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#define S_AD_AUTOSENSE_FAIL AdapterClass + 0x05 // Req failed to receive autosense data
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/* Codes by class: Target Class (Target status phase) */
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#define S_TAR_NOERROR TargetClass + 0x00 // Target completed request w/no error
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#define S_TAR_CHECKCOND TargetClass + 0x02 // Request completed with Check condition status
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#define S_TAR_BUSY TargetClass + 0x08 // Device busy
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#define S_TAR_QUEUEFULL TargetClass + 0x28 // Target queue full
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/* Codes by class: System Class */
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// Last internal S_xx codes, for consistancy checks:
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#define S_LAST_S_REQ 0x09
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#define S_LAST_S_AD 0x06
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#define S_LAST_S_SYS 0x00
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typedef enum {NonTerminal, Terminal, DetectTerminal} TerminateCode;
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typedef enum {NotSenseable, Senseable} AutosenseCode;
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typedef U16 APIStatus;
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extern int API_Init(void);
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extern void APISetStatus(IO_REQ_PTR Req, APIStatus Status, TerminateCode Terminal, AutosenseCode IsSenseable);
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#if !defined(APINotifyReset)
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extern void APINotifyReset(ADAPTER_PTR HA);
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#endif
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#if !defined(APIFindDev) // See if it's already a macro
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extern DEVICE_PTR APIFindDev(const ADAPTER_PTR HA, const U16 TID, const U16 LUN);
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#endif
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extern void GetXferSegment(const ADAPTER_PTR HA, IO_REQ_PTR Req, SegmentDescr *SGDescr, U32 Offset, BOOLEAN DemandPhysical);
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#endif /* __API_H__ */
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